SACRAMENTO — State Controller Betty T. Yee on Tuesday launched an online tracker for daily personal income tax receipts through April.

This month is a pivotal phase for the state’s fiscal outlook as Californians file hundreds of thousands of tax returns and the new fiscal year starts July 1.

Last fiscal year, personal income taxes accounted for 67.9 percent of all state general fund revenues. A significant share of personal income taxes, 15.4 percent, arrived during the month of April.

The daily tally is accompanied by a chart showing how the running total compares to the $13.5 billion estimate of April personal income tax receipts in January’s 2018-19 budget proposal. The total consists of personal income taxes minus refunds.

As of the end of March, personal income tax receipts for the 2017-18 fiscal year totaled $61.9 billion, 3.1 percent higher than anticipated in the governor’s budget proposal.

The governor’s revision of the budget proposal is due May 14.

State and federal returns for the 2017 tax year must be filed by April 17.